PetSafe SmartDoor Dog Door Large Doors 000 feet of wire and

000 feet of wire and 100 boundary flags

ammonia reducer or phosphate remover

there is an adjustable heat settings ranging from 68' - 88'

Great alternative to burying containment system wire

4 adjustable levels of correction plus tone-only mode

PetSafe SmartDoor Dog Door Large Doors 000 feet of wire andUsing radio frequency technology, the SmartDoor reads the unique signal of a SmartKey worn on your pet's collar and triggers the battery power driven flap to unlock. When the SmartDoor no longer senses your pet's SmartKey, the flap automatically locks back into place. The SmartDoor can detect up to five programmed SmartKeys and also operates in two other modes: fully locked mode and unlocked mode. Locked mode does not allow entry or exit for any pet